desenează cercurile c (a,2cm) și c (b, 4cm). Precizează denumirea celor 2 cercuri dacă a) a=b b)ab=1 c) ab =2 d) ab=3 cm e) ab=4 f) ab=5 g) ab=6 h) ab=7. Precizează în fiecare caz câte puncte comune au cele doare cercuri ​

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Determine the function’s value when x = -1 a. g(-1)=-3 b. g(-1)=0 c. g(-1)=1 d. g(-1)=27

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):